flowchart LR
A[Diseases] --> B[Embeddings E_d ∈ ℝ^L]
C[Signatures] --> D[Embeddings E_k ∈ ℝ^L]
B --> E[ψ_k,d = E_d^T W_a E_k / √L]
D --> E
style A fill:#e1f5fe
style B fill:#e8f5e8
style C fill:#e1f5fe
style D fill:#e8f5e8
style E fill:#ffebee